1 /* SPDX-License-Identifier: GPL-2.0-only */
4 * For use by Linux/ACPI infrastructure, not drivers
6 * Copyright (c) 2009, Intel Corporation.
9 #ifndef _ACPI_INTERNAL_H_
10 #define _ACPI_INTERNAL_H_
12 #include <linux/idr.h>
14 extern struct acpi_device *acpi_root;
16 int early_acpi_osi_init(void);
17 int acpi_osi_init(void);
18 acpi_status acpi_os_initialize1(void);
19 void acpi_scan_init(void);
21 void acpi_pci_root_init(void);
22 void acpi_pci_link_init(void);
24 static inline void acpi_pci_root_init(void) {}
25 static inline void acpi_pci_link_init(void) {}
27 void acpi_processor_init(void);
28 void acpi_platform_init(void);
29 void acpi_pnp_init(void);
30 void acpi_int340x_thermal_init(void);
31 int acpi_sysfs_init(void);
32 void acpi_gpe_apply_masked_gpes(void);
33 void acpi_container_init(void);
34 void acpi_memory_hotplug_init(void);
35 #ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
36 void pci_ioapic_remove(struct acpi_pci_root *root);
37 int acpi_ioapic_remove(struct acpi_pci_root *root);
39 static inline void pci_ioapic_remove(struct acpi_pci_root *root) { return; }
40 static inline int acpi_ioapic_remove(struct acpi_pci_root *root) { return 0; }
42 #ifdef CONFIG_ACPI_DOCK
43 void register_dock_dependent_device(struct acpi_device *adev,
44 acpi_handle dshandle);
45 int dock_notify(struct acpi_device *adev, u32 event);
46 void acpi_dock_add(struct acpi_device *adev);
48 static inline void register_dock_dependent_device(struct acpi_device *adev,
49 acpi_handle dshandle) {}
50 static inline int dock_notify(struct acpi_device *adev, u32 event) { return -ENODEV; }
51 static inline void acpi_dock_add(struct acpi_device *adev) {}
54 void acpi_cmos_rtc_init(void);
56 static inline void acpi_cmos_rtc_init(void) {}
58 int acpi_rev_override_setup(char *str);
60 void acpi_sysfs_add_hotplug_profile(struct acpi_hotplug_profile *hotplug,
62 int acpi_scan_add_handler_with_hotplug(struct acpi_scan_handler *handler,
63 const char *hotplug_profile_name);
64 void acpi_scan_hotplug_enabled(struct acpi_hotplug_profile *hotplug, bool val);
66 #ifdef CONFIG_DEBUG_FS
67 extern struct dentry *acpi_debugfs_dir;
68 void acpi_debugfs_init(void);
70 static inline void acpi_debugfs_init(void) { return; }
73 void acpi_lpss_init(void);
75 static inline void acpi_lpss_init(void) {}
78 void acpi_apd_init(void);
80 acpi_status acpi_hotplug_schedule(struct acpi_device *adev, u32 src);
81 bool acpi_queue_hotplug_work(struct work_struct *work);
82 void acpi_device_hotplug(struct acpi_device *adev, u32 src);
83 bool acpi_scan_is_offline(struct acpi_device *adev, bool uevent);
85 acpi_status acpi_sysfs_table_handler(u32 event, void *table, void *context);
86 void acpi_scan_table_notify(void);
88 int acpi_active_trip_temp(struct acpi_device *adev, int id, int *ret_temp);
89 int acpi_passive_trip_temp(struct acpi_device *adev, int *ret_temp);
90 int acpi_hot_trip_temp(struct acpi_device *adev, int *ret_temp);
91 int acpi_critical_trip_temp(struct acpi_device *adev, int *ret_temp);
94 int acpi_arch_thermal_cpufreq_pctg(void);
96 static inline int acpi_arch_thermal_cpufreq_pctg(void)
102 /* --------------------------------------------------------------------------
103 Device Node Initialization / Removal
104 -------------------------------------------------------------------------- */
105 #define ACPI_STA_DEFAULT (ACPI_STA_DEVICE_PRESENT | ACPI_STA_DEVICE_ENABLED | \
106 ACPI_STA_DEVICE_UI | ACPI_STA_DEVICE_FUNCTIONING)
108 extern struct list_head acpi_bus_id_list;
110 struct acpi_device_bus_id {
112 struct ida instance_ida;
113 struct list_head node;
116 void acpi_init_device_object(struct acpi_device *device, acpi_handle handle,
117 int type, void (*release)(struct device *));
118 int acpi_tie_acpi_dev(struct acpi_device *adev);
119 int acpi_device_add(struct acpi_device *device);
120 int acpi_device_setup_files(struct acpi_device *dev);
121 void acpi_device_remove_files(struct acpi_device *dev);
122 void acpi_device_add_finalize(struct acpi_device *device);
123 void acpi_free_pnp_ids(struct acpi_device_pnp *pnp);
124 bool acpi_device_is_present(const struct acpi_device *adev);
125 bool acpi_device_is_battery(struct acpi_device *adev);
126 bool acpi_device_is_first_physical_node(struct acpi_device *adev,
127 const struct device *dev);
128 int acpi_bus_register_early_device(int type);
130 /* --------------------------------------------------------------------------
131 Device Matching and Notification
132 -------------------------------------------------------------------------- */
133 const struct acpi_device *acpi_companion_match(const struct device *dev);
134 int __acpi_device_uevent_modalias(const struct acpi_device *adev,
135 struct kobj_uevent_env *env);
137 /* --------------------------------------------------------------------------
139 -------------------------------------------------------------------------- */
140 void acpi_power_resources_list_free(struct list_head *list);
141 int acpi_extract_power_resources(union acpi_object *package, unsigned int start,
142 struct list_head *list);
143 struct acpi_device *acpi_add_power_resource(acpi_handle handle);
144 void acpi_power_add_remove_device(struct acpi_device *adev, bool add);
145 int acpi_power_wakeup_list_init(struct list_head *list, int *system_level);
146 int acpi_device_sleep_wake(struct acpi_device *dev,
147 int enable, int sleep_state, int dev_state);
148 int acpi_power_get_inferred_state(struct acpi_device *device, int *state);
149 int acpi_power_on_resources(struct acpi_device *device, int state);
150 int acpi_power_transition(struct acpi_device *device, int state);
151 void acpi_turn_off_unused_power_resources(void);
153 /* --------------------------------------------------------------------------
154 Device Power Management
155 -------------------------------------------------------------------------- */
156 int acpi_device_get_power(struct acpi_device *device, int *state);
157 int acpi_wakeup_device_init(void);
159 /* --------------------------------------------------------------------------
161 -------------------------------------------------------------------------- */
162 #ifdef CONFIG_ARCH_MIGHT_HAVE_ACPI_PDC
163 void acpi_early_processor_control_setup(void);
164 void acpi_early_processor_set_pdc(void);
166 void acpi_proc_quirk_mwait_check(void);
168 static inline void acpi_proc_quirk_mwait_check(void) {}
170 bool processor_physically_present(acpi_handle handle);
172 static inline void acpi_early_processor_control_setup(void) {}
175 /* --------------------------------------------------------------------------
177 -------------------------------------------------------------------------- */
179 enum acpi_ec_event_state {
180 EC_EVENT_READY = 0, /* Event work can be submitted */
181 EC_EVENT_IN_PROGRESS, /* Event work is pending or being processed */
182 EC_EVENT_COMPLETE, /* Event work processing has completed */
187 acpi_handle address_space_handler_holder;
190 unsigned long command_addr;
191 unsigned long data_addr;
194 unsigned long reference_count;
196 wait_queue_head_t wait;
197 struct list_head list;
198 struct transaction *curr;
200 struct work_struct work;
201 unsigned long timestamp;
202 enum acpi_ec_event_state event_state;
203 unsigned int events_to_process;
204 unsigned int events_in_progress;
205 unsigned int queries_in_progress;
207 unsigned int polling_guard;
210 extern struct acpi_ec *first_ec;
212 /* If we find an EC via the ECDT, we need to keep a ptr to its context */
213 /* External interfaces use first EC only, so remember */
214 typedef int (*acpi_ec_query_func) (void *data);
216 void acpi_ec_init(void);
217 void acpi_ec_ecdt_probe(void);
218 void acpi_ec_dsdt_probe(void);
219 void acpi_ec_block_transactions(void);
220 void acpi_ec_unblock_transactions(void);
221 int acpi_ec_add_query_handler(struct acpi_ec *ec, u8 query_bit,
222 acpi_handle handle, acpi_ec_query_func func,
224 void acpi_ec_remove_query_handler(struct acpi_ec *ec, u8 query_bit);
226 #ifdef CONFIG_PM_SLEEP
227 void acpi_ec_flush_work(void);
228 bool acpi_ec_dispatch_gpe(void);
232 /*--------------------------------------------------------------------------
234 -------------------------------------------------------------------------- */
235 #ifdef CONFIG_ACPI_SYSTEM_POWER_STATES_SUPPORT
236 extern bool acpi_s2idle_wakeup(void);
237 extern int acpi_sleep_init(void);
239 static inline bool acpi_s2idle_wakeup(void) { return false; }
240 static inline int acpi_sleep_init(void) { return -ENXIO; }
243 #ifdef CONFIG_ACPI_SLEEP
244 void acpi_sleep_proc_init(void);
245 int suspend_nvs_alloc(void);
246 void suspend_nvs_free(void);
247 int suspend_nvs_save(void);
248 void suspend_nvs_restore(void);
250 static inline void acpi_sleep_proc_init(void) {}
251 static inline int suspend_nvs_alloc(void) { return 0; }
252 static inline void suspend_nvs_free(void) {}
253 static inline int suspend_nvs_save(void) { return 0; }
254 static inline void suspend_nvs_restore(void) {}
258 bool force_storage_d3(void);
260 static inline bool force_storage_d3(void)
266 /*--------------------------------------------------------------------------
268 -------------------------------------------------------------------------- */
269 #define ACPI_DT_NAMESPACE_HID "PRP0001"
271 void acpi_init_properties(struct acpi_device *adev);
272 void acpi_free_properties(struct acpi_device *adev);
275 void acpi_extract_apple_properties(struct acpi_device *adev);
277 static inline void acpi_extract_apple_properties(struct acpi_device *adev) {}
280 /*--------------------------------------------------------------------------
282 -------------------------------------------------------------------------- */
284 #ifdef CONFIG_ACPI_WATCHDOG
285 void acpi_watchdog_init(void);
287 static inline void acpi_watchdog_init(void) {}
290 #ifdef CONFIG_ACPI_LPIT
291 void acpi_init_lpit(void);
293 static inline void acpi_init_lpit(void) { }
296 /*--------------------------------------------------------------------------
297 ACPI _CRS CSI-2 and MIPI DisCo for Imaging
298 -------------------------------------------------------------------------- */
300 void acpi_mipi_check_crs_csi2(acpi_handle handle);
301 void acpi_mipi_scan_crs_csi2(void);
302 void acpi_mipi_init_crs_csi2_swnodes(void);
303 void acpi_mipi_crs_csi2_cleanup(void);
305 #endif /* _ACPI_INTERNAL_H_ */